How can you find the focus of a concave mirror?

1 Answer
Jane
Mar 1, 2018

Procedure number 1.

If you know the radius of curvature(#r#) of the concave mirror,you can easily measure the focal point as, #r=2f#

Procedure number 2 .

Put parallel light rays on the concave mirror,after reflection,they will pass through focus.

Related questions
Impact of this question
536 views around the world
You can reuse this answer
Creative Commons License